We always talk about humans as being a weird species for looking at apex predators and saying “PUPPY!” but like. Vulcans domesticated sehlats. An animal with 6-INCH fangs, capable of taking on le-matyas.
Vulcans see your wolves and raise you fanged bears. Humanity needs to step up its game.
Vulcans also saw Humans and decided it would be a great idea to make First Contact, so.
AND let humans into the federation